/Engine/Plugins/Online/OnlineServices/Source/OnlineServicesCommon/Public/Online/SessionsCommon.h
class FSessionInviteCommon : public [UE::Online::ISessionInvite](API\Plugins\OnlineServicesInterface\Online\ISessionInvite)
FSessionInviteI...
InviteId
The invite id handle, needed for retrieving invite information and rejecting the invite
FAccountId
RecipientId
The id handle for the user which the invite got sent to
FAccountId
SenderId
The id handle for the user which sent the invite
FOnlineSessionI...
SessionId
The session id handle, needed for retrieving the session information